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Virtual Private LAN Services: Extending Ethernet over the WAN

This white paper includes an overview of the technical building blocks of VPLS, including a review of the MPLS features that help enable the creation of secure customer networks within a shared packet infrastructure. The concept of pseudowires (PW) is covered with a brief description of Ethernet private line service provisioning over an MPLS core. This concept is expanded to a full mesh of PWs, which forms the heart of the any-to-any connectivity of VPLS. The paper concludes with a review of several advanced features, including QoS, Hierarchical VPLS (H-VPLS) and various interworking options.

It can be tempting to stray from the security roadmap security professionals have put in place when data breaches like the Sony and Anthem breaches are all over the news. But experts say it's crucial to stick to the security basics.